Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

The most visited, and possibly most controversial, museum in Germany.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Europe's first floating restaurant is home to a hilarious legend.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

Two stone columns flank the grand Venice square, but there were supposed to be three.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Sweden's "good old days" painstakingly re-created in a model village.

A rare specimen of an iconic extinct animal in downtown Sydney.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

A small, but award-winning beach known for its literally spotless reputation.

A colorful street named for the legendary Australian rock band.

Home to the oldest operating roller coaster in the Southern Hemisphere.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

Nature puts on a spectacular show at this blowhole on the eastern side of Gran Canaria.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The oldest operating roller coaster of its kind, the Montaña Suiza has been thrilling riders since 1928.

This beautiful spit of land was once the summer playground of the king of Spain.

Giant topiary dog once played a role in a terrorist bomb plot.